Promote optimal joint health and mobility with Advanced UC-II Joint Relief, featuring UC-II, a patented form of collagen with undenatured type II collagen.* Undenatured type II collagen is the principal structural protein in cartilage that gives it tensile strength and toughness.* It works with the immune system to support healthy joints by ensuring an adequate supply of collagen that?s easily used by the body.* Just one 40 mg capsule of UC-II per day can help promote joint function, flexibility and comfort.* We?ve included hyaluronic acid and boron for their complementary roles in overall joint health.* The Internet is an amazing tool. It has the power to change the way we live, and we're starting to see that potential today. With only a few mouse-clicks.